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56 commits

Author SHA1 Message Date
Aleksandar Andrejevic
593f4baf1a [SOFT386] 
Fix struct/union mixup.


svn path=/branches/ntvdm/; revision=60186
 2013-09-17 20:57:35 +00:00
Hermès Bélusca-Maïto
1baee6b6b5 [SOFT386]: Fix compilation with MSVC. 
svn path=/branches/ntvdm/; revision=60185
 2013-09-17 20:41:26 +00:00
Aleksandar Andrejevic
bbb37c9152 [SOFT386] 
Implement Soft386OpcodeTestAl and Soft386OpcodeTestEax.
These functions were declared and referenced, but never defined.
Why the compiler allowed that without even a warning remains a mystery.


svn path=/branches/ntvdm/; revision=60183
 2013-09-17 20:28:26 +00:00
Aleksandar Andrejevic
b78a6cb212 [SOFT386] 
Implement the direct relative near call (CALL rel16/32) instruction.


svn path=/branches/ntvdm/; revision=60147
 2013-09-15 18:26:25 +00:00
Aleksandar Andrejevic
429d182d64 [SOFT386] 
Implement JMP rel16/32


svn path=/branches/ntvdm/; revision=60146
 2013-09-15 18:18:58 +00:00
Aleksandar Andrejevic
99dd92ffa0 [SOFT386] 
Implement LAHF, SAHF, LEA and PUSH imm16/32


svn path=/branches/ntvdm/; revision=60144
 2013-09-15 18:02:41 +00:00
Aleksandar Andrejevic
e1e34dc171 [SOFT386] 
Implement MOV (mod-reg-r/m).


svn path=/branches/ntvdm/; revision=60136
 2013-09-15 15:30:55 +00:00
Aleksandar Andrejevic
5439ace9d6 [SOFT386] 
Start implementing paging support.
Add support for exception error codes.


svn path=/branches/ntvdm/; revision=60089
 2013-09-13 23:01:18 +00:00
Aleksandar Andrejevic
a8c1104f57 [SOFT386] 
Implement ARPL.


svn path=/branches/ntvdm/; revision=60050
 2013-09-12 00:05:23 +00:00
Aleksandar Andrejevic
76b87315a8 [SOFT386] 
Implement PUSHA and POPA.


svn path=/branches/ntvdm/; revision=60049
 2013-09-11 23:31:35 +00:00
Aleksandar Andrejevic
f092154985 [SOFT386] 
Implement many instructions (including ADC, SUB, CDQ, CWDE, ...), and "stubplement" even more of them.


svn path=/branches/ntvdm/; revision=60011
 2013-09-10 20:41:43 +00:00
Aleksandar Andrejevic
333e29b35d [SOFT386] 
Add the instructions implemented in the previous commit to the opcode table.


svn path=/branches/ntvdm/; revision=59995
 2013-09-05 23:50:42 +00:00
Aleksandar Andrejevic
ddcbb9ee92 [SOFT386] 
Implement the TEST instruction, and the XCHG instruction which uses MOD-REG-R/M for operands.


svn path=/branches/ntvdm/; revision=59994
 2013-09-05 23:48:07 +00:00
Hermès Bélusca-Maïto
a25c3f44b6 [SOFT386]: Fix build (addendum to revision 59990). 
svn path=/branches/ntvdm/; revision=59993
 2013-09-04 20:40:43 +00:00
Aleksandar Andrejevic
f0040c12e8 [SOFT386] 
Implement the OR, AND and XOR instructions.


svn path=/branches/ntvdm/; revision=59991
 2013-09-04 18:28:58 +00:00
Aleksandar Andrejevic
9fd42c0f7d [SOFT386] 
Fix a typo.
Use a macro (SOFT386_OPCODE_HANDLER) for function definitions of opcode handlers.
Implement the rest of the ADD opcodes.


svn path=/branches/ntvdm/; revision=59990
 2013-09-04 16:36:39 +00:00
Aleksandar Andrejevic
5f874178e7 [SOFT386] 
Implement helper functions for reading/writing operands of instructions that use
the MOD-REG-R/M byte.
Implement the MOD-REG-R/M ADD instruction for bytes.


svn path=/branches/ntvdm/; revision=59981
 2013-09-04 01:11:12 +00:00
Aleksandar Andrejevic
6f2f5335c2 [SOFT386] 
Implement "MOD-REG-R/M" byte decoding.


svn path=/branches/ntvdm/; revision=59959
 2013-09-01 23:49:57 +00:00
Aleksandar Andrejevic
b61bbb9d66 [SOFT386] 
Implement the "MOV reg8, imm8" instruction.


svn path=/branches/ntvdm/; revision=59952
 2013-09-01 17:54:51 +00:00
Aleksandar Andrejevic
179627bf40 [SOFT386] 
Implement the opcodes for MOV reg16/32, imm16/32


svn path=/branches/ntvdm/; revision=59949
 2013-09-01 16:19:29 +00:00
Aleksandar Andrejevic
50e90be14b [SOFT386] 
Implement the short unconditional jump instruction (JMP imm8).


svn path=/branches/ntvdm/; revision=59932
 2013-08-31 21:23:31 +00:00
Aleksandar Andrejevic
c6c282fd70 [SOFT386] 
Increment the TSC on every instruction cycle.


svn path=/branches/ntvdm/; revision=59931
 2013-08-31 19:26:13 +00:00
Aleksandar Andrejevic
758bdf41d9 [SOFT386] 
Fix the "persistant prefix" bug.
Fix the conditional jump bug.
Implement Soft386ExecuteAt.
[NTVDM]
Add Soft386 support to ntvdm.


svn path=/branches/ntvdm/; revision=59929
 2013-08-31 19:18:12 +00:00
Aleksandar Andrejevic
e8aa2372b7 [SOFT386] 
Implement port I/O instructions.


svn path=/branches/ntvdm/; revision=59911
 2013-08-31 02:13:58 +00:00
Aleksandar Andrejevic
7ecbd63471 [SOFT386] 
Implement CMC instruction.


svn path=/branches/ntvdm/; revision=59892
 2013-08-29 22:18:28 +00:00
Aleksandar Andrejevic
3925c4a3d8 [SOFT386] 
Add Soft386OpcodeHalt to the opcode table.


svn path=/branches/ntvdm/; revision=59891
 2013-08-29 22:11:33 +00:00
Aleksandar Andrejevic
c0a39279ae [SOFT386] 
Add checks for illegal prefixes.
Implement HLT and PAUSE.


svn path=/branches/ntvdm/; revision=59890
 2013-08-29 22:07:53 +00:00
Aleksandar Andrejevic
5a14da958f [SOFT386] 
Implement the CLC, STC, CLI, STI, CLD and STD instructions.


svn path=/branches/ntvdm/; revision=59876
 2013-08-29 17:48:32 +00:00
Aleksandar Andrejevic
1143eab8a5 [SOFT386] 
Implement short conditional jump opcodes.


svn path=/branches/ntvdm/; revision=59856
 2013-08-28 17:52:21 +00:00
Aleksandar Andrejevic
3ad78aac17 [SOFT386] 
Implement the following opcodes:
NOP
XCHG (E)AX, reg16/reg32


svn path=/branches/ntvdm/; revision=59819
 2013-08-25 14:53:58 +00:00
Aleksandar Andrejevic
5a86737e91 [SOFT386] 
Implement the following instructions:
PUSH reg16/reg32
POP reg16/reg32


svn path=/branches/ntvdm/; revision=59816
 2013-08-25 12:17:24 +00:00
Aleksandar Andrejevic
fffdba9eb5 [SOFT386] 
Implement the following opcodes:
INC reg16/reg32
DEC reg16/reg32


svn path=/branches/ntvdm/; revision=59814
 2013-08-24 21:32:45 +00:00
Aleksandar Andrejevic
610999cb63 [SOFT386] 
Implement prefix support.


svn path=/branches/ntvdm/; revision=59810
 2013-08-24 11:48:38 +00:00
Aleksandar Andrejevic
675c38e1b9 [SOFT386] 
Halfplement Soft386ExecutionControl.


svn path=/branches/ntvdm/; revision=59795
 2013-08-22 22:54:59 +00:00
Hermès Bélusca-Maïto
8e37700e5c Synchronize with trunk revision 59781. 
svn path=/branches/ntvdm/; revision=59784
 2013-08-19 18:55:28 +00:00
Aleksandar Andrejevic
23fbc3204c [SOFT386] 
Fix minor bug.


svn path=/branches/ntvdm/; revision=59783
 2013-08-19 18:52:53 +00:00
Aleksandar Andrejevic
6f769d6314 [SOFT386] 
Implement instruction fetch functions.
Implement CPU exception system.


svn path=/branches/ntvdm/; revision=59782
 2013-08-19 18:23:39 +00:00
Hermès Bélusca-Maïto
2672ec8ee5 [SOFT386] 
- In the interface header soft386.h, do not include other particular headers (windows.h and debug.h). Those must be included by the different applications which also will include soft386.h.
- LPVOID --> PVOID (do it general, not just à-la Win32).
- The .c files include the headers, and each .c files must have its "#define NDEBUG\n#include <debug.h>" lines, to activate (or deactivate here in the example) debugging output.
- In the .c files, include the header windef.h for having the basic types, and temporarily comment out the needed #defines which will be needed if one needs to include other win***.h files. Those will be deleted if they aren't needed at the end.

svn path=/branches/ntvdm/; revision=59766
 2013-08-17 21:15:55 +00:00
Aleksandar Andrejevic
99302b9d00 [SOFT386] 
Implement Soft386LoadSegment.
[NTVDM]
Fix BiosPrintCharacter (Adapted from a patch by Hermes Belusca-Maito).


svn path=/branches/ntvdm/; revision=59764
 2013-08-17 18:44:16 +00:00
Aleksandar Andrejevic
c7b66d26f6 [SOFT386] 
Implement Soft386ReadMemory, Soft386WriteMemory, Soft386StackPush and Soft386StackPop.


svn path=/branches/ntvdm/; revision=59760
 2013-08-17 15:20:47 +00:00
Aleksandar Andrejevic
fb158ecbe1 [SOFT386] 
Add definition for Soft386Interrupt.
Implement Soft386DumpState.


svn path=/branches/ntvdm/; revision=59757
 2013-08-17 01:41:22 +00:00
Aleksandar Andrejevic
005e1f0559 [SOFT386] 
Start implementing a new emulator library to provide 386/486 emulation support to NTVDM
and perhaps other components aswell.


svn path=/branches/ntvdm/; revision=59752
 2013-08-16 19:21:02 +00:00
Aleksandar Andrejevic
a88f650367 [SOFTX86] 
Fix carry/overflow flag computation for ADD instructions.


svn path=/branches/ntvdm/; revision=59725
 2013-08-13 17:06:15 +00:00
Aleksandar Andrejevic
5a7a26d750 [NTVDM] 
Synchronize with trunk again for SetConsolePalette.
Implement VGA palettes for graphics mode and DAC register access.


svn path=/branches/ntvdm/; revision=59713
 2013-08-12 19:31:54 +00:00
Hermès Bélusca-Maïto
f66525ee02 Synchronize with trunk revision 59636 (just before Alex's CreateProcess revamp). 
svn path=/branches/ntvdm/; revision=59665
 2013-08-07 14:57:30 +00:00
Aleksandar Andrejevic
09e7fede48 Fix broken build after trunk merge. 
svn path=/branches/ntvdm/; revision=59500
 2013-07-18 05:46:06 +00:00
Aleksandar Andrejevic
fb7355f834 Synchronize with trunk. 
svn path=/branches/ntvdm/; revision=59499
 2013-07-18 00:46:28 +00:00
Aleksandar Andrejevic
f82876686a [SOFTX86] 
Fix carry/overflow condition for the SUB instruction.


svn path=/branches/ntvdm/; revision=59490
 2013-07-15 02:34:45 +00:00
Aleksandar Andrejevic
be1d88e4b7 [NTVDM] 
Add video pages support to INT 10h functions and memory access.
[SOFTX86]
Fix the opcode check for XLAT.


svn path=/branches/ntvdm/; revision=59454
 2013-07-10 19:41:43 +00:00
Aleksandar Andrejevic
59e28c4f15 [SOFTX86] 
Fix jump conditions.
[NTVDM]
Implement BIOS teletype output command.
Start implementation of a new CPU emulator to replace softx86.


svn path=/branches/ntvdm/; revision=59450
 2013-07-07 20:53:23 +00:00